[Linux-HA] Pingd

[Andrew Beekhof]

On Dec 6, 2007, at 5:15 PM, China wrote:

> Thank you.
> I've found the right score with the script:
>
> pingd: +1000
> PC_A: +100
> resource_stickiness: +100 (I've 3 resources so make 300, not 100)
>
> Now the problem is that i didn't understood why these score is ok for
> failover and don't failback.

because 300 (3*stickiness) > 100 (PC_A)

if you want it to move based on connectivity you need pingd > (PC_A +  
3*stickiness)
if you want it to move back, you also need (3*stickiness) < PC_A

try:

pingd = 200
PC_A = 100
stickiness = 30

> And why with pingd score 500 is good for failback to PC_A.
>
> You should make a tutorial to calculate these scores.
>
> On Dec 6, 2007 3:42 PM, Dominik Klein <dk at in-telegence.net> wrote:
>
>> China wrote:
>>> Last question: how can I see what is the node's score during cluster
>>> execution?
>>
>> You can grep it out of the "ptest" output.
>>
>> Or use my script:
>>
>> http://lists.community.tummy.com/pipermail/linux-ha/2007-September/027488.html
>>
>> which has been updated by Robert Lindgren:
>>
>> http://lists.community.tummy.com/pipermail/linux-ha/2007-September/027745.html
>>
>> Regards
>> Dominik
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>>
>
>
>
> -- 
>
> Davide Belloni
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